CA1108370A - Powder metallurgy - Google Patents
Powder metallurgyInfo
- Publication number
- CA1108370A CA1108370A CA324,334A CA324334A CA1108370A CA 1108370 A CA1108370 A CA 1108370A CA 324334 A CA324334 A CA 324334A CA 1108370 A CA1108370 A CA 1108370A
- Authority
- CA
- Canada
- Prior art keywords
- mold
- powder
- refractory
- container
- graphite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000004663 powder metallurgy Methods 0.000 title abstract description 3
- 239000000843 powder Substances 0.000 claims abstract description 53
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 30
- 239000010439 graphite Substances 0.000 claims abstract description 30
- 239000002184 metal Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 238000005245 sintering Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 27
- 239000011521 glass Substances 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 150000002739 metals Chemical class 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000000280 densification Methods 0.000 claims 2
- 239000002817 coal dust Substances 0.000 claims 1
- 230000001590 oxidative effect Effects 0.000 claims 1
- 238000007596 consolidation process Methods 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001513 hot isostatic pressing Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000005297 pyrex Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241001235534 Graphis <ascomycete fungus> Species 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- -1 for example Chemical compound 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000005337 ground glass Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
- B22F3/15—Hot isostatic pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F2003/1042—Sintering only with support for articles to be sintered
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/893,276 US4227927A (en) | 1978-04-05 | 1978-04-05 | Powder metallurgy |
US893,276 | 1986-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1108370A true CA1108370A (en) | 1981-09-08 |
Family
ID=25401312
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA324,334A Expired CA1108370A (en) | 1978-04-05 | 1979-03-28 | Powder metallurgy |
Country Status (6)
Country | Link |
---|---|
US (1) | US4227927A (de) |
CA (1) | CA1108370A (de) |
DE (1) | DE2913623C3 (de) |
FR (1) | FR2421704A1 (de) |
GB (1) | GB2018296B (de) |
SE (1) | SE446696B (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3040771A1 (de) * | 1980-10-29 | 1982-05-27 | Elektroschmelzwerk Kempten GmbH, 8000 München | Verfahren zur herstellung von praktisch porenfreien, polykristallinen formkoerpern duch isostatisches heisspressen in glashuellen |
US4407775A (en) * | 1981-04-27 | 1983-10-04 | The United States Of America As Represented By The Secretary Of The Interior | Pressureless consolidation of metallic powders |
SE8204133L (sv) * | 1982-07-05 | 1984-01-06 | Nyby Uddeholm Ab | Pressning med sneva toleranser |
US4640711A (en) * | 1983-09-26 | 1987-02-03 | Metals Ltd. | Method of object consolidation employing graphite particulate |
US4539175A (en) * | 1983-09-26 | 1985-09-03 | Metal Alloys Inc. | Method of object consolidation employing graphite particulate |
US4564501A (en) * | 1984-07-05 | 1986-01-14 | The United States Of America As Represented By The Secretary Of The Navy | Applying pressure while article cools |
US4667497A (en) * | 1985-10-08 | 1987-05-26 | Metals, Ltd. | Forming of workpiece using flowable particulate |
US4693863A (en) * | 1986-04-09 | 1987-09-15 | Carpenter Technology Corporation | Process and apparatus to simultaneously consolidate and reduce metal powders |
US4853178A (en) * | 1988-11-17 | 1989-08-01 | Ceracon, Inc. | Electrical heating of graphite grain employed in consolidation of objects |
US4933140A (en) * | 1988-11-17 | 1990-06-12 | Ceracon, Inc. | Electrical heating of graphite grain employed in consolidation of objects |
US5294382A (en) * | 1988-12-20 | 1994-03-15 | Superior Graphite Co. | Method for control of resistivity in electroconsolidation of a preformed particulate workpiece |
US5051218A (en) * | 1989-02-10 | 1991-09-24 | The Regents Of The University Of California | Method for localized heating and isostatically pressing of glass encapsulated materials |
US4915605A (en) * | 1989-05-11 | 1990-04-10 | Ceracon, Inc. | Method of consolidation of powder aluminum and aluminum alloys |
US5165592A (en) * | 1992-03-31 | 1992-11-24 | J & L Plate, Inc. | Method of making refiner plate bars |
US5900208A (en) * | 1995-10-10 | 1999-05-04 | Centorr/Vacuum Industries, Inc. | High-temperature flowable sintering bath and method of using same |
US6778936B2 (en) | 2000-03-08 | 2004-08-17 | J & L Fiber Services, Inc. | Consistency determining method and system |
US6502774B1 (en) | 2000-03-08 | 2003-01-07 | J + L Fiber Services, Inc. | Refiner disk sensor and sensor refiner disk |
US6752165B2 (en) | 2000-03-08 | 2004-06-22 | J & L Fiber Services, Inc. | Refiner control method and system |
US6938843B2 (en) | 2001-03-06 | 2005-09-06 | J & L Fiber Services, Inc. | Refiner control method and system |
US20050147520A1 (en) * | 2003-12-31 | 2005-07-07 | Guido Canzona | Method for improving the ductility of high-strength nanophase alloys |
US7104480B2 (en) * | 2004-03-23 | 2006-09-12 | J&L Fiber Services, Inc. | Refiner sensor and coupling arrangement |
US9475118B2 (en) | 2012-05-01 | 2016-10-25 | United Technologies Corporation | Metal powder casting |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3284195A (en) * | 1963-06-26 | 1966-11-08 | John M Googin | Method of fabricating articles from powders |
GB1087400A (en) | 1964-01-03 | 1967-10-18 | Super Temp Corp | Method and apparatus for consolidation of powdered materials and articles of manufacture produced therefrom |
US3419935A (en) * | 1966-12-19 | 1969-01-07 | Atomic Energy Commission Usa | Hot-isostatic-pressing apparatus |
US3455682A (en) * | 1967-07-31 | 1969-07-15 | Du Pont | Isostatic hot pressing of refractory bodies |
CA855149A (en) | 1968-02-28 | 1970-11-03 | J. Havel Charles | Hot isostatic pressing using a vitreous container |
GB1238166A (de) | 1968-03-23 | 1971-07-07 | ||
GB1190123A (en) | 1968-07-09 | 1970-04-29 | Charles Jerome Havel | Hot Isostatic Pressing Using a Vitreous Container |
DE2035045A1 (en) * | 1970-07-15 | 1972-01-20 | Fitzer E | Sintering of hard powders - under pressure isostatically applied via pulverulent packing |
DE2034972A1 (en) * | 1970-07-15 | 1972-01-20 | Fitzer E | Protective coatings - formed on metal bodies by sintering under pressure isostatically applied via pulverulent packing |
US3704508A (en) * | 1971-02-24 | 1972-12-05 | Vincent N Di Giambattista | Process for compacting metallic powders |
US3700435A (en) * | 1971-03-01 | 1972-10-24 | Crucible Inc | Method for making powder metallurgy shapes |
US3729971A (en) * | 1971-03-24 | 1973-05-01 | Aluminum Co Of America | Method of hot compacting titanium powder |
US4041123A (en) * | 1971-04-20 | 1977-08-09 | Westinghouse Electric Corporation | Method of compacting shaped powdered objects |
US3862840A (en) * | 1972-12-20 | 1975-01-28 | Airco Inc | Process for manufacture of hard and non-deformable alloys without compacting by sintering in the solid-liquid phase |
NL7300552A (de) * | 1973-01-15 | 1974-07-17 | ||
US3982934A (en) * | 1974-05-31 | 1976-09-28 | United Technologies Corporation | Method of forming uniform density articles from powder metals |
SE394178B (sv) * | 1975-02-03 | 1977-06-13 | Asea Ab | Forfarande for varmpressning av pulverkroppar |
US3992200A (en) * | 1975-04-07 | 1976-11-16 | Crucible Inc. | Method of hot pressing using a getter |
-
1978
- 1978-04-05 US US05/893,276 patent/US4227927A/en not_active Expired - Lifetime
-
1979
- 1979-03-28 CA CA324,334A patent/CA1108370A/en not_active Expired
- 1979-04-03 SE SE7902948A patent/SE446696B/sv not_active IP Right Cessation
- 1979-04-04 GB GB7912835A patent/GB2018296B/en not_active Expired
- 1979-04-04 FR FR7908494A patent/FR2421704A1/fr active Granted
- 1979-04-04 DE DE2913623A patent/DE2913623C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2913623B2 (de) | 1980-11-06 |
GB2018296B (en) | 1982-09-02 |
US4227927A (en) | 1980-10-14 |
DE2913623C3 (de) | 1981-08-20 |
SE446696B (sv) | 1986-10-06 |
FR2421704B1 (de) | 1985-03-22 |
GB2018296A (en) | 1979-10-17 |
DE2913623A1 (de) | 1979-10-11 |
SE7902948L (sv) | 1979-10-06 |
FR2421704A1 (fr) | 1979-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |